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1. Which of the following commands set “other” permissions on file to r-x?
- chmod o=r+x file
- chmod o=rx file
- chmod o-r-w file
- chmod o+rx file
2. Which of the following commands sets “other” permissions on file to r-x?
- chmod 777 file
- chmod 776 file
- chmod 775 file
- chmod 774 file
3. Only one set (user, group, other) of permission can be changed at once using the symbolic method. True or False?
- True
- False
4. Which of the following are methods for setting permissions using the chmod command? (choose two)
- binary
- symbolic
- letter
- octal
5. The chown command can be used to change the owner and group of a file.
True or False?
- True
- False
6. The chgrp command can be used to change the owner and group of a file.
True or False?
- True
- False
7. The user sysadmin will be able to read the file because they own it.
—-r–r– 1 sysadmin group 38270 Sep 2 18:49 file
True or False?
- True
- False
8. The user sysadmin will be able to change the permissions of the file because they own it.
—-r–r– 1 sysadmin group 38270 Sep 2 18:49 file
True or False?
- True
- False
9. Octal notation uses the following values for the permissions granted:
- r = 4, w = 2, x = 1
- r = 7, w = 5, x = 0
- r = 3, w = 2, x = 1
- r = 4, w = 2, x = 0
10. Which of the following permissions would allow all users to add, view, and delete files in a directory?
- 666
- 775
- 750
- 777
11. A user cannot delete a file if they do not own it. True or False?
- True
- False
12. The “execute” permission on a directory allows you to: (choose three)
- Change to that directory or use it as part of a path
- Along with write permission to successfully delete the directory
- Along with read permission to successfully perform ls -l
- Along with write permission to successfully create new files
13. The “execute” permission on a file allows you to:
- Run the file as a script
- This permission isn’t meaningful for text files.
- Delete the file
- Move the file to a new directory
14. The chgrp command can be used on a file by:
- Only root
- A user that belongs to the files current group
- The file owner and root
- Only the file owner
15. The chown command can be used to change the user owner on a file by:
- Only root
- A user that belongs to the files current group
- The file owner and root
- The file owner
16. The chmod command can be used on a file by:
- The file owner and root
- Only root
- A user that belongs to the files current group
- The file owner
17. Which option for the chown command can be used to change the owner of a directory and all the files and directories below it?
- -r
- -R
- -f
- -a
18. The chown command will only accept one file at a time as an argument. True or False?
- True
- False
19. The “execute” permission is never set on files by default. True or False?
- True
- False
20. The user owner of a file will always have the same or higher permissions as “other”. True or False?
- True
- False
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